Yaskawa Sigma II Series Servo System - Manual (Page 341)

Sigma II User’s Manual Chapter 8: Ratings and Characteristics
8 - 11
8.1.3 SGMGH Servomotors
Rating and Specifications for Standard Servomotors
SGMGH Standard Servomotor Ratings and Specifications
*1 These specifications and torque-motor speed characteristics are quoted in combination with an
SGDH servo amplifier operating at an armature winding temperature of 20°C.
Note: These characteristics have been calculated with the following heat sinks attached for cooling:
Heat sink dimensions
15.75 × 15.75 × 0.79in (400 × 400 × 20mm): 05A A to 13A A servomotors
05D A to 13D A servomotors
21.65 × 21.65 × 1.18in (550 × 550 × 30mm): 20A A to 75A A servomotors
20D A to 30D A servomotors
• Time Rating: Continuous • Insulation Class: Class F
• Vibration Class: 15µm or below • Withstand Voltage:
1500V
ac
for one minute (200V specification)
1800V
ac
for one minute (400V specification)
• Insulation Resistance: 500V
DC
,
10M Ω minimum
• Enclosure: Totally enclosed, self-cooled, IP67 (except
for through-sections of the shaft)
• Ambient Temperature: 0 to 40°C
• Excitation: Permanent magnet • Ambient Humidity: 20% to 80% (with no condensation)
• Mounting: Flange method • Drive Method: Direct drive
Voltage 200V
Servomotor Model
SGMGH-
05A A 09A A 13A A 20A A 30A A 44A A 55A A 75A A 1AA A 1EA A
Rated Output*1
kW 0.45 0.85 1.3 1.8 2.9 4.4 5.5 7.5 11 15
Rated Torque*1
lb-in 25 48 74 102 165 252 310 425 620 845
N-m 2.84 5.39 8.34 11.5 18.6 28.4 35.0 48.0 70.0 95.4
Instantaneous
Peak Torque*1 lb-in 79 122 207 254 404 630 775 1050 1550 1984
N-m 8.92 13.8 23.3 28.7 45.1 71.1 87.6 119 175 224
Rated Current*1
A
rms
3.8 7.1 10.7 16.7 23.8 32.8 42.1 54.7 58.6 78.0
Instantaneous
Max. Current*1
A
rms
11 17 28 42 56 84 110 130 140 170
Rated Speed*1
rpm 1500
Maximum
Speed*1
rpm 3000 2000
Torque
Constant
(lb-in)/A
rms
7.26 7.35 7.43 6.46 7.35 8.05 7.79 8.23 11.1 11.7
(N-m)/A
rms
0.82 0.83 0.84 0.73 0.83 0.91 0.88 0.93 1.25 1.32
Moment of
Inertia
lb-in-s 2 x 10 -3 6.41 12.3 18.2 28.1 40.7 59.8 78.8 111 250 279
kg-m 2 x 10 -4 7.24 13.9 20.5 31.7 46.0 67.5 89.0 125 281 315
Rated Power
Rating*1
kW/s 11.2 20.9 33.8 41.5 75.3 120 137 184 174 289
Rated
Angular
Acceleration*1 rad/s 2 3930 3880 4060 3620 4050 4210 3930 3850 2490 3030
Inertia Time
Constant
ms 5.0 3.1 2.8 2.1 1.9 1.3 1.3 1.1 1.2 0.98
Inductive Time
Constant
ms 5.1 5.3 6.3 12.5 12.5 15.7 16.4 18.4 22.6 27.2